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Nervous System
Nervous System Review Short Answers
Question | Answer |
---|---|
List the 3 major structures of neurons. | cell body dendrites axons |
Which section of the cerebrum can only be seen on dissection? | Insula |
What are the 4 main structures of the brain? | cerebrum brainstem cerebellum diepcephalon |
What are the 4 main types of neuroglia? | astrocytes oligodendrocytes microglia ependyma |
What is the function of the hypothalamus? | Regulates involuntary activities of the ANS. |
Describe the spinal cord. | Transmits sensory impulses Composed of inner gray/outer white (myelin sheath) Located inside the spinal cavity. |
What are the two types of nerve cells found in the CNS? | neurons neuroglia (nerve glue) |
What are 3 types of neurosis? | hysteria phobia obsessive-compulsive disorder |
What does the CNS consist of? | The brain and the spinal cord. |
What is Alzheimer's disease? | Progressive neurological disorder that causes memory loss and serious mental deterioration. |
What is CSF? | Cerebrospinal fluid, colourless, shock absorbing fluid that circulates around the brain and spinal cord. |
What is Parkinson's disease? | aka Shaking palsy. Progressive neurological disorder affecting the portion of the brain responsible for controlling movement. |
What is the brainstem composed of? | midbrain medulla pons "bridge" |
What is the function of the pons? | Acts as a bridge connecting the midbrain to the medulla. |
What is the function of the thalamus? | Receives all sensory stimuli except olfactory.(smell) |